| Table of contents Desarro. soc. no.87 Bogotá Jan./Apr. 2021 Editorial | | | | · Nota editorial Higinio Maldonado, Jorge
| | | Aticles | | | | · The short-term impact of urban air pollution on student achievement Rojas-Vallejos, Jorge; Jiménez Bucarey, Carmen Gloria; Espinoza, Marcela; Araya-Castillo, Luis
| | | | · Automation and employment in Uruguay Aboal, Diego; López, Andrés; Maurizio, Roxana; Queraltó, Paz
| | | | · Recall Elections: A Tool of Accountability? Evidence from Peru Haman, Michael
| | | | · Lessons from the implementation of the reliability payment mechanism in Colombia as an incentive for electricity generation Juvinao Navarro, José Camilo
| | | | · A model of competition in electricity markets: Bilateral contracts in Colombia Pérez, Alex; Carabalí, Jaime
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